class Phone2021:
    producer = "apple"  # 厂商

    def call_by_5g(self):
        print("2021版5G通话")


class Phone2022(Phone2021):
    face_id = True  # 面部识别

    def call_by_5g(self):
        # 方式一调用
        print(Phone2021.producer)  # 打印 apple
        Phone2021.call_by_5g(self)# 打印 2021版5G通话
        # 方式二调用
        print(super().producer)# 打印 apple
        super().call_by_5g()# 打印 2021版5G通话